| Point Forecast: Riverwoods IL 42.17N 87.89W |
Last Update: 10:07 pm CDT Jun 20, 2025 |
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| Date | 06/20 | 06/21 | ||||||||||||||||||||||
| Hour (CDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 78 | 77 | 76 | 75 | 74 | 74 | 74 | 75 | 77 | 80 | 83 | 87 | 89 | 91 | 94 | 95 | 96 | 96 | 95 | 95 | 94 | 91 | 89 | 88 |
| Dewpoint (°F) | 67 | 67 | 67 | 67 | 68 | 68 | 69 | 70 | 71 | 72 | 72 | 73 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 |
| Heat Index (°F) | 78 | 77 | 76 | 75 | 75 | 77 | 84 | 88 | 94 | 98 | 101 | 105 | 106 | 106 | 106 | 105 | 105 | 103 | 100 | 97 | 96 | |||
| Surface Wind (mph) | 11 | 11 | 11 | 13 | 13 | 14 | 15 | 16 | 16 | 17 | 20 | 21 | 22 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 21 | 21 |
| Wind Dir | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
| Gust | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 26 | 30 | 33 | 37 | 38 | 39 | 39 | 40 | 41 | 41 | 41 | 41 | 40 | 38 | 36 | 33 |
| Sky Cover (%) | 33 | 33 | 32 | 29 | 27 | 24 | 24 | 24 | 24 | 21 | 18 | 16 | 12 | 9 | 5 | 4 | 4 | 3 | 6 | 10 | 14 | 11 | 7 | 4 |
| Precipitation Potential (%) | 6 | 6 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 69 | 71 | 74 | 76 | 82 | 82 | 84 | 84 | 82 | 77 | 70 | 63 | 61 | 58 | 53 | 51 | 48 | 48 | 49 | 49 | 51 | 56 | 59 | 61 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/22 | |||||||||||||||||||||||
| Hour (CDT) | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| Temperature (°F) | 86 | 84 | 82 | 81 | 80 | 79 | 78 | 78 | 80 | 82 | 85 | 89 | 91 | 93 | 95 | 96 | 97 | 97 | 97 | 96 | 95 | 92 | 90 | 87 |
| Dewpoint (°F) | 73 | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 71 | 71 | 71 | 72 | 72 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 68 |
| Heat Index (°F) | 93 | 90 | 87 | 85 | 83 | 79 | 78 | 78 | 83 | 86 | 90 | 95 | 98 | 101 | 104 | 104 | 105 | 104 | 104 | 103 | 102 | 97 | 95 | 91 |
| Surface Wind (mph) | 18 | 18 | 18 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 20 | 20 | 20 | 18 | 18 | 16 | 15 | 14 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
| Gust | 32 | 30 | 29 | 28 | 25 | 24 | 23 | 23 | 23 | 24 | 26 | 28 | 29 | 29 | 30 | 31 | 32 | 32 | 32 | 31 | 30 | 28 | 25 | 23 |
| Sky Cover (%) | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 2 | 1 | 4 | 6 | 9 | 10 | 11 | 12 | 9 | 5 | 2 | 2 | 3 | 3 | 3 | 4 | 4 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 65 | 67 | 72 | 74 | 74 | 77 | 79 | 76 | 72 | 67 | 63 | 56 | 52 | 51 | 48 | 45 | 43 | 42 | 42 | 43 | 45 | 47 | 50 | 53 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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